"It's a shame. It's a sad situation," the pro card shark tells E! News of her fellow competitor on season two of The Celebrity Apprentice. "If what's being said is true, I certainly don't approve of it.
"Nobody wants to see that kind of devastation."
Duke made the remarks at her eponymous Texas Hold 'Em Poker Tournament to Benefit the 1736 Family Crisis Center on Saturday in Los Angeles. Other celebs in attendance included Shanna Moakler, Shannon Elizabeth, Sara Rue and castmembers of The Real Housewives of Beverly Hills.
While Duke notes Sandra Bullock wasn't present during filming of The Celebrity Apprentice in 2009, she says she never sensed that he had other women on the side.